Free Flight INDOOR Bud Tenny GOOD NEWS FIRST last column told tale woehow New York City area fliers looking gloomily toward loss two regular sites Although have replaced Nassau County Arena Long Beach latest word have reestablished contacts allow flying Low Library Rotunda Columbia Uni versity Florida John Martins MIAMA club has again able sched ule activity Goodyear Hangar Opa Locka Airport Miami Best really tops off good newsIndoor Week again West Baden us have flown can rejoice gustoalthough Atrium sold new owner will restore building its former hotel status John Mar tin got right top situation has already booked week June 19 1984 will report details available may now able look forward another number years activ ity worlds best Indoor sites Now OOPS 1st column went lot detail about rubber testing espe cially Dennis Jaecks adaptation Fred Pearces stretch testing OOPS said F2-F3/2 412 etc series should read F2 F4/2 c end expression series should read (Fn n/2 mathematical back ground probably already spotted errors dont have excuse dont get right time drop card Ill send marked-up copy original report interested designing new rubber test Pearce/Jaecks stretch-test has important ingredient worth stressing test makes preliminary stretch force tension calculated rubber weight loop length calculates new force limit based results critical ingredientthe maximum force based tabular results generated tests other samples response particular sample stress feel rubber test must include type evalu ation really useful Failure preliminary test makes almost impossible locate rubber better samples used establish tabular limits sometimes used no OOPS last column also talked about torque meters showed picture new design Cezar Banks esteemed editors asked Now tell us about winder back ground Well winder has manufactured Bob Wilder sev eral years20 ratio built-in turns counter cleverly imposes no drag smoothest Ive used sells $3450 plus $2 postage handling Wilder Model Machine Works 2010 Bos ton Irving TX 75061 Prop/Rubber Combinations Indoor fliers soon develop feel picking useful prop/ rubber combinations getting really good combo depends having close control rubber cross-section rare find rubber strip uniform thickness expe rienced fliers use two controls depend upon having uniform-width strips motors classified using weight per unit length So boils down thisw need uniform-width strips reduce vari ables try choose better prop rubber match given model ceiling Rubber Strippers years have searching ways cut uniform rubbet strip price can afford have numerous inventions accomplisl fact remains expensive ma chinery does best Indoor suppliers whc cut own rubber strip expected tc have good machinery usually However unless favorite supplier set5 up shop contest like West Baden cant get exact size need whet need So almost serious fliei has ways strip rubber right contest earliest homemade rubber strippe ever heard about Bilgris wa made lot like some balsa strippers tha L-shaped block held knife against th rubber pulled through strip per Well have photo imprOvec Bilgri-style stripper next time first rotary cutter know about wa Roto Shear built tw machined rollers matching cutter interdigitated form rotating shears Thi precision-machined tool threi Continued page 168 78 Model Aviation inaoor fliers usually strip own rubberto optimize prop/power combos plane andi site two kinds precision instruments needed calibrate rubber-stripper afl micrometer dial caliper use See column Tenny photo meat-sllcer-iype ruuuer-airipperS left early made Czechowski Poland Tenn photo right Ray Harlans latestreplete micrometer adjustments improved guides can resharpened See column details Harlan photo NOW THERES QUICK AND EASY WAY OF CLEANING YOUR MODEL CRAFTS Super-K Model Cleaner Removes fuel Residue dirt contact CUTS CLEANING TIME IN HALF Just spray model solvent wipe soft cloth paper towel SIMPLE AS THAT Leaves craft showcase clean Wont hami Painis Coverings Dries Clear fast Elminates Work cleaning model Strong Professional Quality formula Great Model Craff Bts Planes Helicopters Cleans Gently Protects delicate model DEALERS WANTED DOMESTIC & OVERSEAS WE EXPORT Hurry Have product shelves time Christmas guaranteed top seller Sugg retail $550 per gallon Contact us price structures ordering information Also ask about other Super-K products Model Industry Are Manufacturers & Major Brands Distributors Model Engines Kits Radios & Accessories Sjqer-K orand Kings Radio Control Hobbies International 3960 West 16th Ave Hialeah Florida 33012 Phone 305 557-2024 fields parks other limited areas Major features proposed program include publication how-to-do-it book starting square publication quarterly magazine production low-cost brown-wrapper kits models presented book magazine providing liability insurance members organizing local regional Fun Fly-Ins similar contests no competition developing pro motional instructional program intro duce modeling youth groups schools foment nationwide campaign demonstrate aircraft modeling greatest spare-time activity ever de velopedan art science hobby sport young old rich poor male female information write Fun Fliers PO Box 95 Volant PA 16156 sport tlying opposed com petition flying aspect reminds Will Nakashima cartoon caption went something like fly just fun have fun win Yet another space-age material Getting bag potato chips nowadays enough chore have encountered some mailing envelopes going around Impossible tear material looks sort like doped silkspan its far stronger Alas too heavy Free Flight application could think up ever Ed Lidgard thought bit further splits stuff down whatever thickness needs According Ed name material something like TyvexI cant read writing too welland synthetic-fiber paper made American Excelsior commercial application knows mailing envelopes As produced 006 008-in thick peels stuff apart takes thicker half peels apart finally worries dull knife down thickness 001 002 weight about equal tissue light years ahead tissue strength application inside covering rubber-power fuselage tubes get some stuff hands youll probably figure out dozen applications right off Ed sticks balsa applying Titebond both surfaces crosslinking guess means curing MonoKote iron smooth surface out given coat thin dope make lube-proof Record-breaking Indoor Cabin model Bob Randolph tallied up eighth Indoor Cabin record last July Santa Ana flight 33 mm 37 sec story about last two Cabin records made removable pods landing gear attached Test flights made delicate pod replaced flat plate having same weight drag pod learned drag flat plate slighter greater streamlined form having same cross section Indoor-model speeds flat disc can built much lighter Thus Thin Man born came out total weight 00325 oz intended doing comparative tests using double-cone pod model disc flew very well setting record its third flight fortunate enough win FAI Team Selection Finals have con centrate preparations World Champs Additional Cabin-model develop ment will have wait Im sure use boron filament could get weight down have read rule book rather closely figure out Thin Man qual ifies Cabin model does rubber motor enclosed balsa tube disc attached disc covered both sides microfilm tiny balsa spool separating two surfaces rules require Cabin model have built-up enclosed fuselage little hard see balsa tube qualifies built-up structure However lot Cabin models have built way apparently OK Bob Meuser 4200 Gregory St Oakland CA 94619 FF Indoor/Tenny Continued page 78 sets rollers would cut about eight fixed sizes 1/4 flat Pirelli several disadvantagesit could sharpened no possibility making strips slightly smaller larger built-in size would handle /44n wide rubber Finally could get exactly size did want cutter sets also got two three other sizes didnt want same pass Vilim Kmoch Yugoslavia made Rote Shear-type cutter adjustable cuts came very thin wash ers two diameters assembled cutters assembled roller beginning example eight 006-in -thick large-diameter washers fol lowed alternating layers eight small large-diameter wshers made other roller exact mirror image two rollers would overlap form rotao shear After assembly came agonizing trial and-error period adjusted enc pressure washers amount o overlap until satisfactory cut made Although could make several very pre cise sizes washers came three thicknesse allowing choice strip width 002 subtle variations cutting pass adjustment phase consumed several fee precious rubber Other advantages wen Vilims shear could sharpened once adjusted waste less mos strippers type current high-tech strippers cut rubbe off side size rubber strip thl same way meat slicers grocer 168 Model Aviation nun. P-40 CARD KIT FULL COLOR EXACT REPRODUCTION Jacks50 REMEMBER HOW ONWELL THEY FLEW Special offer inciodee cocpoo receining e eno eel hell price Send Fiite Modeis P0 Boo 62MMAR Roseojilo MI 48066 A.UNiCUE NOSTALGIC GIFT SILICONE gso 00 10 foOt COilsTUBING lD.062 09 125uS POST S/coil235 265 325 LARRY DODGE AERO INC 110210 MANNINGSTILLWATER MN 55082 ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX A&A Industries AMA Membership Ace RC Inc Aero Tech RC Airtronics A-justo-jig Phase Art Americas Hobby Center Applied Design Corp. Astro Flight 126 65 22 26 2 137 162 145 44 126 b&r Hobbies132 Balsa USA142-143 Behrens Plan Service164 Bru-Line Industries126 BuckeyeBalsa140 Byron Originals 72-Inside Back Cover CB Associates132 California Model Imports25 Carolina-Taffinder147 Johnnie Casburn Mfg23 49 Champion Model Products151 Circus Hobbies45 Cleveland Model & Supply Co167 Eric Clutton166 Condor Hobbies47 Consumers Guide RC Aircraft Prod. Consumers Hobby Corp158-1 59 Coverite17 DA Enterprises D&D Engineering DG Products DGA Designs DGM Industries Elavey Systems Corp Larry Dodge Aero Inc Dodgson Designs Dougs Hobby Shop Du-Bro Products Eastern Soaring Supplies Exhibair sAl Model Supply HS Supply Inc ribergiass Master nlyline Models ourmost Products rOX Mfg Co utaba Corp America 28 169 140 146 167 136 168 26 148-149 16 166 150 167 4 144 156 146 167 29 Gator RC Products150 Gemini Models160 Carl Goldberg Models13 155 Gorham Model Products10 Great Lakes Model Co153 Great Planes Model Mfg Co171 Art Gross Enterprises122 William M Hawke151 Historic Aviations Hobby Barn124-1 25 Hobby Capitol Distributors167 Hobby Hideaway164 Hobby Horn162 Hobby Lobby International6 Hobbypoxy165 Hobby Products Co164 Hobby Radio Shop147 Hoffelt Group160 Howard B Huebi164 Ikon NWest156 lndyRCSales138-139 J-5 Enterprises152 K&B Manufacturing Co27 K&S Engineering153 Kings RC Hobbies Intl156 168 Kitty Hawk Models140 Kraft Systems83 Kustom Kraftsmanship160 Leisure Electronics154 Lone Star Models133 MACS Products156 Majestic Models164 Marks Models51 Master Kit136 McDaniel RC Service130 Jim Messers Quality Model Products -160 Micro Mark37 Midwest Model Supply Co156 Midwest Products Co55 Miniature Aircraft Combat Assn127 Model Engineering Norwalk157 Model Rectifier Corp - lnside Front Cover Mutchiers Hobbies Inc128-129 Nor-Cal Avionics153 Northeast Screen Graphics123 Ocean State Aeromodel Engineering 4 PK Products122 Pacer Technology & Resources9 Parsons Products166 Peck-Polymers154 Penn Valley Hobby Center152 Pica Products7 Dave Platt Models24 Polks Hobby131 Proctor Enterprises152 RGBHobby53 RE Enterprises164 Radio Equipment Exchange167 Rebel RC160 Repla-Tech International166 Richardson Precision Machining150 Ricks Kits146 Robbe Modelisport1 Roush Mfg Co4 154 SR Batteries132 S&W Hobby Supply151 Saf-Flite Models168 Satellite City141 Scratch-A-Plane14 Shamrock Competition Imports Inc147 Sheldons Hobby Shop22 134-135 Sig Manufacturing Co11 St Croix Park Falls Ltd136 Sterling Models44 Tatone Products Co Taylor-Craft Ltd Tide Distributors Inc Toledo RC Exposition Elite Models Inc Tower Hobbies Twinn-K Inc 44 160 162 166 90 163 28 VLProducts10 WE Technical Services8 WRAM Show161 Jeremy Waltzer Designs130 Williams Brothers122 Windsor Propeller Co24 World EnginesBack Cover Zenith Aviation Books15 Nick Ziroli Models130 LDVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX tore cut sandwich meat cheese nake infinitely-variable-width cuts ac eptable accuracy excellent repeat ibilityif wide strip has good uni ormity width can resharpened ignificant number times dis ssembly blades replaceable Are perfect No awkward iold have no built-in means mount ng clever lucky can find place mount C-clamp turn handle hand feed ubber other fast can turn lie crank strip cut will accu ate can set adjustmentswhich akes practice parent strip varies reatly width common very either baby strip will also vary nless can meticulously adjust two uides exactly compensate first such tripper see photo much smaller mn latest ones available 972 Ryszarol Czechowski Poland zechowski later made improved version ihich about twice large has een unavailable some time Another photo shows latest rotary tripper become available Ray Harlan 15 [appy Hollow Rd Wayland MA 01778 82 postpaid anywhere US sajor changes over earlier units im roved guides micrometer adjustments alibrated thousandths inch 001 sharpening set consisting /4-in-square hard Arkansas stone bot tle honing liquid available $6 post paid ordered stripper $150 ad ditional postage otherwise discussion has gotten too long well wrap up rubber stripper bit next time including summary advantages disadvantages various stripper types What size rubber did cut thing needed calibrate strippers check output othersmicrometer calipers last photo shows two stylesa dial mi crometer machinist-style micrometer Most dial micrometers have internal springs too strong measure rubber strip accurately users remove weaken spring personal preference machinists micrometer started type either case take measurement closing jaws sliding rubber back forth between jaws Read measurement point feel smooth drag rubber requires fine touch practice has added benefit hold setting check rubber several places width variations al too small measure accurately can foundif care Bud Tenny PO Box 545 Richardson 127 75080 That/Mathews Continued page 82 natural However can easily painted polyurethane Flying Start devises outer holes medium Sig horns ailerons should also placed top threaded portion settings give mild responses can sensitized read about Model Aviation writing advertisers mention March 1984 169 1131 NW 45 Strict Ft Liuderdale FL 33309 13051 491-6115 THE LANDING GEAR PEOPLE TIred kit landing gears dint fit biggie property o & togineerlig can solve ysor problems * Custom built seeds & specs guaranteed fit * Strong & durable ts withstood toughest landing * It & Eogioeering gear will wsrk & keep biggie flying * In stock replacement gear psyolor models Byron PitIs Christen tagle CAP 21 Balsa USA J-3 CUB Air Tech Powose toglo Nisen Big Stick Champ Citabria ft & H models Snopper Stinger ond Snapper Too
Edition: Model Aviation - 1984/03
Page Numbers: 78, 168, 169
Free Flight INDOOR Bud Tenny GOOD NEWS FIRST last column told tale woehow New York City area fliers looking gloomily toward loss two regular sites Although have replaced Nassau County Arena Long Beach latest word have reestablished contacts allow flying Low Library Rotunda Columbia Uni versity Florida John Martins MIAMA club has again able sched ule activity Goodyear Hangar Opa Locka Airport Miami Best really tops off good newsIndoor Week again West Baden us have flown can rejoice gustoalthough Atrium sold new owner will restore building its former hotel status John Mar tin got right top situation has already booked week June 19 1984 will report details available may now able look forward another number years activ ity worlds best Indoor sites Now OOPS 1st column went lot detail about rubber testing espe cially Dennis Jaecks adaptation Fred Pearces stretch testing OOPS said F2-F3/2 412 etc series should read F2 F4/2 c end expression series should read (Fn n/2 mathematical back ground probably already spotted errors dont have excuse dont get right time drop card Ill send marked-up copy original report interested designing new rubber test Pearce/Jaecks stretch-test has important ingredient worth stressing test makes preliminary stretch force tension calculated rubber weight loop length calculates new force limit based results critical ingredientthe maximum force based tabular results generated tests other samples response particular sample stress feel rubber test must include type evalu ation really useful Failure preliminary test makes almost impossible locate rubber better samples used establish tabular limits sometimes used no OOPS last column also talked about torque meters showed picture new design Cezar Banks esteemed editors asked Now tell us about winder back ground Well winder has manufactured Bob Wilder sev eral years20 ratio built-in turns counter cleverly imposes no drag smoothest Ive used sells $3450 plus $2 postage handling Wilder Model Machine Works 2010 Bos ton Irving TX 75061 Prop/Rubber Combinations Indoor fliers soon develop feel picking useful prop/ rubber combinations getting really good combo depends having close control rubber cross-section rare find rubber strip uniform thickness expe rienced fliers use two controls depend upon having uniform-width strips motors classified using weight per unit length So boils down thisw need uniform-width strips reduce vari ables try choose better prop rubber match given model ceiling Rubber Strippers years have searching ways cut uniform rubbet strip price can afford have numerous inventions accomplisl fact remains expensive ma chinery does best Indoor suppliers whc cut own rubber strip expected tc have good machinery usually However unless favorite supplier set5 up shop contest like West Baden cant get exact size need whet need So almost serious fliei has ways strip rubber right contest earliest homemade rubber strippe ever heard about Bilgris wa made lot like some balsa strippers tha L-shaped block held knife against th rubber pulled through strip per Well have photo imprOvec Bilgri-style stripper next time first rotary cutter know about wa Roto Shear built tw machined rollers matching cutter interdigitated form rotating shears Thi precision-machined tool threi Continued page 168 78 Model Aviation inaoor fliers usually strip own rubberto optimize prop/power combos plane andi site two kinds precision instruments needed calibrate rubber-stripper afl micrometer dial caliper use See column Tenny photo meat-sllcer-iype ruuuer-airipperS left early made Czechowski Poland Tenn photo right Ray Harlans latestreplete micrometer adjustments improved guides can resharpened See column details Harlan photo NOW THERES QUICK AND EASY WAY OF CLEANING YOUR MODEL CRAFTS Super-K Model Cleaner Removes fuel Residue dirt contact CUTS CLEANING TIME IN HALF Just spray model solvent wipe soft cloth paper towel SIMPLE AS THAT Leaves craft showcase clean Wont hami Painis Coverings Dries Clear fast Elminates Work cleaning model Strong Professional Quality formula Great Model Craff Bts Planes Helicopters Cleans Gently Protects delicate model DEALERS WANTED DOMESTIC & OVERSEAS WE EXPORT Hurry Have product shelves time Christmas guaranteed top seller Sugg retail $550 per gallon Contact us price structures ordering information Also ask about other Super-K products Model Industry Are Manufacturers & Major Brands Distributors Model Engines Kits Radios & Accessories Sjqer-K orand Kings Radio Control Hobbies International 3960 West 16th Ave Hialeah Florida 33012 Phone 305 557-2024 fields parks other limited areas Major features proposed program include publication how-to-do-it book starting square publication quarterly magazine production low-cost brown-wrapper kits models presented book magazine providing liability insurance members organizing local regional Fun Fly-Ins similar contests no competition developing pro motional instructional program intro duce modeling youth groups schools foment nationwide campaign demonstrate aircraft modeling greatest spare-time activity ever de velopedan art science hobby sport young old rich poor male female information write Fun Fliers PO Box 95 Volant PA 16156 sport tlying opposed com petition flying aspect reminds Will Nakashima cartoon caption went something like fly just fun have fun win Yet another space-age material Getting bag potato chips nowadays enough chore have encountered some mailing envelopes going around Impossible tear material looks sort like doped silkspan its far stronger Alas too heavy Free Flight application could think up ever Ed Lidgard thought bit further splits stuff down whatever thickness needs According Ed name material something like TyvexI cant read writing too welland synthetic-fiber paper made American Excelsior commercial application knows mailing envelopes As produced 006 008-in thick peels stuff apart takes thicker half peels apart finally worries dull knife down thickness 001 002 weight about equal tissue light years ahead tissue strength application inside covering rubber-power fuselage tubes get some stuff hands youll probably figure out dozen applications right off Ed sticks balsa applying Titebond both surfaces crosslinking guess means curing MonoKote iron smooth surface out given coat thin dope make lube-proof Record-breaking Indoor Cabin model Bob Randolph tallied up eighth Indoor Cabin record last July Santa Ana flight 33 mm 37 sec story about last two Cabin records made removable pods landing gear attached Test flights made delicate pod replaced flat plate having same weight drag pod learned drag flat plate slighter greater streamlined form having same cross section Indoor-model speeds flat disc can built much lighter Thus Thin Man born came out total weight 00325 oz intended doing comparative tests using double-cone pod model disc flew very well setting record its third flight fortunate enough win FAI Team Selection Finals have con centrate preparations World Champs Additional Cabin-model develop ment will have wait Im sure use boron filament could get weight down have read rule book rather closely figure out Thin Man qual ifies Cabin model does rubber motor enclosed balsa tube disc attached disc covered both sides microfilm tiny balsa spool separating two surfaces rules require Cabin model have built-up enclosed fuselage little hard see balsa tube qualifies built-up structure However lot Cabin models have built way apparently OK Bob Meuser 4200 Gregory St Oakland CA 94619 FF Indoor/Tenny Continued page 78 sets rollers would cut about eight fixed sizes 1/4 flat Pirelli several disadvantagesit could sharpened no possibility making strips slightly smaller larger built-in size would handle /44n wide rubber Finally could get exactly size did want cutter sets also got two three other sizes didnt want same pass Vilim Kmoch Yugoslavia made Rote Shear-type cutter adjustable cuts came very thin wash ers two diameters assembled cutters assembled roller beginning example eight 006-in -thick large-diameter washers fol lowed alternating layers eight small large-diameter wshers made other roller exact mirror image two rollers would overlap form rotao shear After assembly came agonizing trial and-error period adjusted enc pressure washers amount o overlap until satisfactory cut made Although could make several very pre cise sizes washers came three thicknesse allowing choice strip width 002 subtle variations cutting pass adjustment phase consumed several fee precious rubber Other advantages wen Vilims shear could sharpened once adjusted waste less mos strippers type current high-tech strippers cut rubbe off side size rubber strip thl same way meat slicers grocer 168 Model Aviation nun. P-40 CARD KIT FULL COLOR EXACT REPRODUCTION Jacks50 REMEMBER HOW ONWELL THEY FLEW Special offer inciodee cocpoo receining e eno eel hell price Send Fiite Modeis P0 Boo 62MMAR Roseojilo MI 48066 A.UNiCUE NOSTALGIC GIFT SILICONE gso 00 10 foOt COilsTUBING lD.062 09 125uS POST S/coil235 265 325 LARRY DODGE AERO INC 110210 MANNINGSTILLWATER MN 55082 ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX A&A Industries AMA Membership Ace RC Inc Aero Tech RC Airtronics A-justo-jig Phase Art Americas Hobby Center Applied Design Corp. Astro Flight 126 65 22 26 2 137 162 145 44 126 b&r Hobbies132 Balsa USA142-143 Behrens Plan Service164 Bru-Line Industries126 BuckeyeBalsa140 Byron Originals 72-Inside Back Cover CB Associates132 California Model Imports25 Carolina-Taffinder147 Johnnie Casburn Mfg23 49 Champion Model Products151 Circus Hobbies45 Cleveland Model & Supply Co167 Eric Clutton166 Condor Hobbies47 Consumers Guide RC Aircraft Prod. Consumers Hobby Corp158-1 59 Coverite17 DA Enterprises D&D Engineering DG Products DGA Designs DGM Industries Elavey Systems Corp Larry Dodge Aero Inc Dodgson Designs Dougs Hobby Shop Du-Bro Products Eastern Soaring Supplies Exhibair sAl Model Supply HS Supply Inc ribergiass Master nlyline Models ourmost Products rOX Mfg Co utaba Corp America 28 169 140 146 167 136 168 26 148-149 16 166 150 167 4 144 156 146 167 29 Gator RC Products150 Gemini Models160 Carl Goldberg Models13 155 Gorham Model Products10 Great Lakes Model Co153 Great Planes Model Mfg Co171 Art Gross Enterprises122 William M Hawke151 Historic Aviations Hobby Barn124-1 25 Hobby Capitol Distributors167 Hobby Hideaway164 Hobby Horn162 Hobby Lobby International6 Hobbypoxy165 Hobby Products Co164 Hobby Radio Shop147 Hoffelt Group160 Howard B Huebi164 Ikon NWest156 lndyRCSales138-139 J-5 Enterprises152 K&B Manufacturing Co27 K&S Engineering153 Kings RC Hobbies Intl156 168 Kitty Hawk Models140 Kraft Systems83 Kustom Kraftsmanship160 Leisure Electronics154 Lone Star Models133 MACS Products156 Majestic Models164 Marks Models51 Master Kit136 McDaniel RC Service130 Jim Messers Quality Model Products -160 Micro Mark37 Midwest Model Supply Co156 Midwest Products Co55 Miniature Aircraft Combat Assn127 Model Engineering Norwalk157 Model Rectifier Corp - lnside Front Cover Mutchiers Hobbies Inc128-129 Nor-Cal Avionics153 Northeast Screen Graphics123 Ocean State Aeromodel Engineering 4 PK Products122 Pacer Technology & Resources9 Parsons Products166 Peck-Polymers154 Penn Valley Hobby Center152 Pica Products7 Dave Platt Models24 Polks Hobby131 Proctor Enterprises152 RGBHobby53 RE Enterprises164 Radio Equipment Exchange167 Rebel RC160 Repla-Tech International166 Richardson Precision Machining150 Ricks Kits146 Robbe Modelisport1 Roush Mfg Co4 154 SR Batteries132 S&W Hobby Supply151 Saf-Flite Models168 Satellite City141 Scratch-A-Plane14 Shamrock Competition Imports Inc147 Sheldons Hobby Shop22 134-135 Sig Manufacturing Co11 St Croix Park Falls Ltd136 Sterling Models44 Tatone Products Co Taylor-Craft Ltd Tide Distributors Inc Toledo RC Exposition Elite Models Inc Tower Hobbies Twinn-K Inc 44 160 162 166 90 163 28 VLProducts10 WE Technical Services8 WRAM Show161 Jeremy Waltzer Designs130 Williams Brothers122 Windsor Propeller Co24 World EnginesBack Cover Zenith Aviation Books15 Nick Ziroli Models130 LDVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX tore cut sandwich meat cheese nake infinitely-variable-width cuts ac eptable accuracy excellent repeat ibilityif wide strip has good uni ormity width can resharpened ignificant number times dis ssembly blades replaceable Are perfect No awkward iold have no built-in means mount ng clever lucky can find place mount C-clamp turn handle hand feed ubber other fast can turn lie crank strip cut will accu ate can set adjustmentswhich akes practice parent strip varies reatly width common very either baby strip will also vary nless can meticulously adjust two uides exactly compensate first such tripper see photo much smaller mn latest ones available 972 Ryszarol Czechowski Poland zechowski later made improved version ihich about twice large has een unavailable some time Another photo shows latest rotary tripper become available Ray Harlan 15 [appy Hollow Rd Wayland MA 01778 82 postpaid anywhere US sajor changes over earlier units im roved guides micrometer adjustments alibrated thousandths inch 001 sharpening set consisting /4-in-square hard Arkansas stone bot tle honing liquid available $6 post paid ordered stripper $150 ad ditional postage otherwise discussion has gotten too long well wrap up rubber stripper bit next time including summary advantages disadvantages various stripper types What size rubber did cut thing needed calibrate strippers check output othersmicrometer calipers last photo shows two stylesa dial mi crometer machinist-style micrometer Most dial micrometers have internal springs too strong measure rubber strip accurately users remove weaken spring personal preference machinists micrometer started type either case take measurement closing jaws sliding rubber back forth between jaws Read measurement point feel smooth drag rubber requires fine touch practice has added benefit hold setting check rubber several places width variations al too small measure accurately can foundif care Bud Tenny PO Box 545 Richardson 127 75080 That/Mathews Continued page 82 natural However can easily painted polyurethane Flying Start devises outer holes medium Sig horns ailerons should also placed top threaded portion settings give mild responses can sensitized read about Model Aviation writing advertisers mention March 1984 169 1131 NW 45 Strict Ft Liuderdale FL 33309 13051 491-6115 THE LANDING GEAR PEOPLE TIred kit landing gears dint fit biggie property o & togineerlig can solve ysor problems * Custom built seeds & specs guaranteed fit * Strong & durable ts withstood toughest landing * It & Eogioeering gear will wsrk & keep biggie flying * In stock replacement gear psyolor models Byron PitIs Christen tagle CAP 21 Balsa USA J-3 CUB Air Tech Powose toglo Nisen Big Stick Champ Citabria ft & H models Snopper Stinger ond Snapper Too
Edition: Model Aviation - 1984/03
Page Numbers: 78, 168, 169
Free Flight INDOOR Bud Tenny GOOD NEWS FIRST last column told tale woehow New York City area fliers looking gloomily toward loss two regular sites Although have replaced Nassau County Arena Long Beach latest word have reestablished contacts allow flying Low Library Rotunda Columbia Uni versity Florida John Martins MIAMA club has again able sched ule activity Goodyear Hangar Opa Locka Airport Miami Best really tops off good newsIndoor Week again West Baden us have flown can rejoice gustoalthough Atrium sold new owner will restore building its former hotel status John Mar tin got right top situation has already booked week June 19 1984 will report details available may now able look forward another number years activ ity worlds best Indoor sites Now OOPS 1st column went lot detail about rubber testing espe cially Dennis Jaecks adaptation Fred Pearces stretch testing OOPS said F2-F3/2 412 etc series should read F2 F4/2 c end expression series should read (Fn n/2 mathematical back ground probably already spotted errors dont have excuse dont get right time drop card Ill send marked-up copy original report interested designing new rubber test Pearce/Jaecks stretch-test has important ingredient worth stressing test makes preliminary stretch force tension calculated rubber weight loop length calculates new force limit based results critical ingredientthe maximum force based tabular results generated tests other samples response particular sample stress feel rubber test must include type evalu ation really useful Failure preliminary test makes almost impossible locate rubber better samples used establish tabular limits sometimes used no OOPS last column also talked about torque meters showed picture new design Cezar Banks esteemed editors asked Now tell us about winder back ground Well winder has manufactured Bob Wilder sev eral years20 ratio built-in turns counter cleverly imposes no drag smoothest Ive used sells $3450 plus $2 postage handling Wilder Model Machine Works 2010 Bos ton Irving TX 75061 Prop/Rubber Combinations Indoor fliers soon develop feel picking useful prop/ rubber combinations getting really good combo depends having close control rubber cross-section rare find rubber strip uniform thickness expe rienced fliers use two controls depend upon having uniform-width strips motors classified using weight per unit length So boils down thisw need uniform-width strips reduce vari ables try choose better prop rubber match given model ceiling Rubber Strippers years have searching ways cut uniform rubbet strip price can afford have numerous inventions accomplisl fact remains expensive ma chinery does best Indoor suppliers whc cut own rubber strip expected tc have good machinery usually However unless favorite supplier set5 up shop contest like West Baden cant get exact size need whet need So almost serious fliei has ways strip rubber right contest earliest homemade rubber strippe ever heard about Bilgris wa made lot like some balsa strippers tha L-shaped block held knife against th rubber pulled through strip per Well have photo imprOvec Bilgri-style stripper next time first rotary cutter know about wa Roto Shear built tw machined rollers matching cutter interdigitated form rotating shears Thi precision-machined tool threi Continued page 168 78 Model Aviation inaoor fliers usually strip own rubberto optimize prop/power combos plane andi site two kinds precision instruments needed calibrate rubber-stripper afl micrometer dial caliper use See column Tenny photo meat-sllcer-iype ruuuer-airipperS left early made Czechowski Poland Tenn photo right Ray Harlans latestreplete micrometer adjustments improved guides can resharpened See column details Harlan photo NOW THERES QUICK AND EASY WAY OF CLEANING YOUR MODEL CRAFTS Super-K Model Cleaner Removes fuel Residue dirt contact CUTS CLEANING TIME IN HALF Just spray model solvent wipe soft cloth paper towel SIMPLE AS THAT Leaves craft showcase clean Wont hami Painis Coverings Dries Clear fast Elminates Work cleaning model Strong Professional Quality formula Great Model Craff Bts Planes Helicopters Cleans Gently Protects delicate model DEALERS WANTED DOMESTIC & OVERSEAS WE EXPORT Hurry Have product shelves time Christmas guaranteed top seller Sugg retail $550 per gallon Contact us price structures ordering information Also ask about other Super-K products Model Industry Are Manufacturers & Major Brands Distributors Model Engines Kits Radios & Accessories Sjqer-K orand Kings Radio Control Hobbies International 3960 West 16th Ave Hialeah Florida 33012 Phone 305 557-2024 fields parks other limited areas Major features proposed program include publication how-to-do-it book starting square publication quarterly magazine production low-cost brown-wrapper kits models presented book magazine providing liability insurance members organizing local regional Fun Fly-Ins similar contests no competition developing pro motional instructional program intro duce modeling youth groups schools foment nationwide campaign demonstrate aircraft modeling greatest spare-time activity ever de velopedan art science hobby sport young old rich poor male female information write Fun Fliers PO Box 95 Volant PA 16156 sport tlying opposed com petition flying aspect reminds Will Nakashima cartoon caption went something like fly just fun have fun win Yet another space-age material Getting bag potato chips nowadays enough chore have encountered some mailing envelopes going around Impossible tear material looks sort like doped silkspan its far stronger Alas too heavy Free Flight application could think up ever Ed Lidgard thought bit further splits stuff down whatever thickness needs According Ed name material something like TyvexI cant read writing too welland synthetic-fiber paper made American Excelsior commercial application knows mailing envelopes As produced 006 008-in thick peels stuff apart takes thicker half peels apart finally worries dull knife down thickness 001 002 weight about equal tissue light years ahead tissue strength application inside covering rubber-power fuselage tubes get some stuff hands youll probably figure out dozen applications right off Ed sticks balsa applying Titebond both surfaces crosslinking guess means curing MonoKote iron smooth surface out given coat thin dope make lube-proof Record-breaking Indoor Cabin model Bob Randolph tallied up eighth Indoor Cabin record last July Santa Ana flight 33 mm 37 sec story about last two Cabin records made removable pods landing gear attached Test flights made delicate pod replaced flat plate having same weight drag pod learned drag flat plate slighter greater streamlined form having same cross section Indoor-model speeds flat disc can built much lighter Thus Thin Man born came out total weight 00325 oz intended doing comparative tests using double-cone pod model disc flew very well setting record its third flight fortunate enough win FAI Team Selection Finals have con centrate preparations World Champs Additional Cabin-model develop ment will have wait Im sure use boron filament could get weight down have read rule book rather closely figure out Thin Man qual ifies Cabin model does rubber motor enclosed balsa tube disc attached disc covered both sides microfilm tiny balsa spool separating two surfaces rules require Cabin model have built-up enclosed fuselage little hard see balsa tube qualifies built-up structure However lot Cabin models have built way apparently OK Bob Meuser 4200 Gregory St Oakland CA 94619 FF Indoor/Tenny Continued page 78 sets rollers would cut about eight fixed sizes 1/4 flat Pirelli several disadvantagesit could sharpened no possibility making strips slightly smaller larger built-in size would handle /44n wide rubber Finally could get exactly size did want cutter sets also got two three other sizes didnt want same pass Vilim Kmoch Yugoslavia made Rote Shear-type cutter adjustable cuts came very thin wash ers two diameters assembled cutters assembled roller beginning example eight 006-in -thick large-diameter washers fol lowed alternating layers eight small large-diameter wshers made other roller exact mirror image two rollers would overlap form rotao shear After assembly came agonizing trial and-error period adjusted enc pressure washers amount o overlap until satisfactory cut made Although could make several very pre cise sizes washers came three thicknesse allowing choice strip width 002 subtle variations cutting pass adjustment phase consumed several fee precious rubber Other advantages wen Vilims shear could sharpened once adjusted waste less mos strippers type current high-tech strippers cut rubbe off side size rubber strip thl same way meat slicers grocer 168 Model Aviation nun. P-40 CARD KIT FULL COLOR EXACT REPRODUCTION Jacks50 REMEMBER HOW ONWELL THEY FLEW Special offer inciodee cocpoo receining e eno eel hell price Send Fiite Modeis P0 Boo 62MMAR Roseojilo MI 48066 A.UNiCUE NOSTALGIC GIFT SILICONE gso 00 10 foOt COilsTUBING lD.062 09 125uS POST S/coil235 265 325 LARRY DODGE AERO INC 110210 MANNINGSTILLWATER MN 55082 ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX A&A Industries AMA Membership Ace RC Inc Aero Tech RC Airtronics A-justo-jig Phase Art Americas Hobby Center Applied Design Corp. Astro Flight 126 65 22 26 2 137 162 145 44 126 b&r Hobbies132 Balsa USA142-143 Behrens Plan Service164 Bru-Line Industries126 BuckeyeBalsa140 Byron Originals 72-Inside Back Cover CB Associates132 California Model Imports25 Carolina-Taffinder147 Johnnie Casburn Mfg23 49 Champion Model Products151 Circus Hobbies45 Cleveland Model & Supply Co167 Eric Clutton166 Condor Hobbies47 Consumers Guide RC Aircraft Prod. Consumers Hobby Corp158-1 59 Coverite17 DA Enterprises D&D Engineering DG Products DGA Designs DGM Industries Elavey Systems Corp Larry Dodge Aero Inc Dodgson Designs Dougs Hobby Shop Du-Bro Products Eastern Soaring Supplies Exhibair sAl Model Supply HS Supply Inc ribergiass Master nlyline Models ourmost Products rOX Mfg Co utaba Corp America 28 169 140 146 167 136 168 26 148-149 16 166 150 167 4 144 156 146 167 29 Gator RC Products150 Gemini Models160 Carl Goldberg Models13 155 Gorham Model Products10 Great Lakes Model Co153 Great Planes Model Mfg Co171 Art Gross Enterprises122 William M Hawke151 Historic Aviations Hobby Barn124-1 25 Hobby Capitol Distributors167 Hobby Hideaway164 Hobby Horn162 Hobby Lobby International6 Hobbypoxy165 Hobby Products Co164 Hobby Radio Shop147 Hoffelt Group160 Howard B Huebi164 Ikon NWest156 lndyRCSales138-139 J-5 Enterprises152 K&B Manufacturing Co27 K&S Engineering153 Kings RC Hobbies Intl156 168 Kitty Hawk Models140 Kraft Systems83 Kustom Kraftsmanship160 Leisure Electronics154 Lone Star Models133 MACS Products156 Majestic Models164 Marks Models51 Master Kit136 McDaniel RC Service130 Jim Messers Quality Model Products -160 Micro Mark37 Midwest Model Supply Co156 Midwest Products Co55 Miniature Aircraft Combat Assn127 Model Engineering Norwalk157 Model Rectifier Corp - 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